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Related Concept Videos

Interference and Decay01:16

Interference and Decay

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Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
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Sound Waves: Interference00:53

Sound Waves: Interference

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Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
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Interference and Superposition of Waves01:07

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When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
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Interference: Path Lengths01:10

Interference: Path Lengths

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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
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Barriers to Effective Communication I01:30

Barriers to Effective Communication I

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A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this...
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Interference and Diffraction02:18

Interference and Diffraction

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Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
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Related Experiment Video

Updated: Aug 25, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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What is the interference in "verbal interference"?

Johannes Gerwien1, Christiane von Stutterheim1, Jan Rummel2

  • 1Heidelberg University, Institute of German as a Foreign Language Philology, Ploeck 55, 69118 Heidelberg, Germany.

Acta Psychologica
|October 18, 2022
PubMed
Summary
This summary is machine-generated.

Occupying the articulatory buffer with non-sense syllables does not impede conceptualization during language tasks. This finding suggests the buffer does not significantly interfere with forming concepts.

Keywords:
Articulatory suppressionDual taskInner speechLanguage productionVerbal interference

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Area of Science:

  • Cognitive Science
  • Psycholinguistics
  • Experimental Psychology

Background:

  • Verbal interference paradigms commonly use articulatory buffer tasks to block internal language use.
  • Previous research has not clarified which language subprocesses are affected by an occupied articulatory buffer.

Purpose of the Study:

  • To investigate whether occupying the articulatory buffer interferes with conceptualization.
  • To determine if phonological information processing impacts concept formation.

Main Methods:

  • Experiment 1: Participants named objects under interference (syllable repetition) and control conditions.
  • Experiment 2: Participants responded to action depictions under similar interference and control conditions.
  • Measured task speed and accuracy to assess interference effects.

Main Results:

  • Neither experiment showed significant interference with conceptualization when the articulatory buffer was occupied.
  • Verbalizing syllables concurrently with nonverbal tasks did not hinder object naming or action description.

Conclusions:

  • An occupied articulatory buffer does not significantly impede conceptualization.
  • The findings challenge the assumption that the articulatory buffer is a critical bottleneck for conceptual processing during language production.